The quick way to find a local Cellar & Basement Conversion specialist in Watford

Dua Build London LTD

Cellar & Basement Conversion

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We provide high-quality refurbishment and property improvement services, including electrical work, flooring installation, decorating, garden landscaping, and general home renovations. Reliable workmanship, attention to detail, and customer satisfaction are at the heart of everything we do.

A&M Building Construction LTD

Cellar & Basement Conversion

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We are a team with over 20 years of experience on building industry. We offer these services Driveaways, house extensions, Loft conversions, garage conversions, Summer houses, Bathroom fittings , Patios, landscaping, Fully refurbishment, etc.

Latest homeowner review

Reviewed by Ataur on 12/1/2021

Thank you soo much I m sooo happy About your work And Driveway you make for me.Excellent work you Done for me clean and tidy work i will tell my all frend if they wan't to make Driveway they should call you first I hope you gonna do my Another driveway soon Thank you sooo much again

Nabstar Construction

Cellar & Basement Conversion

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Welcome to Nabstar Construction – Your Trusted Builders in Watford We specialise in high-quality building and renovation services across Watford and the surrounding areas. With years of experience in the industry, we take pride in delivering exceptional craftsmanship, attention to detail, and outstanding customer service. Whether you’re looking for home extensions, new builds, refurbishments, or general construction work, our expert team is here to bring your vision to life.

Kh&n construction ltd

Cellar & Basement Conversion

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About KH&N Construction Limited ​With over a decade of hands-on experience delivering premium property fit-outs, we specialize in transforming spaces into elegant, functional sanctuaries tailored to the highest standards of design and craftsmanship. ​Over the past 10 years, we have led and completed a wide range of bespoke refurbishment projects in some of the most prestigious residential and commercial properties across the UK. Our work blends precision installation with a sharp eye for detail, using only the finest materials. We work closely with architects, interior designers, and clients to ensure a flawless finish every time. ​From custom stonework and high-spec tiling to smart tech integrations and luxury fixtures, every element is carefully executed to create a space that reflects sophistication and comfort. ​Our Core Strengths: ​Luxury Property Installation & Project Management: Delivering high-end results on time and within budget. ​Premium Materials & Brands: In-depth knowledge of sourcing and working with luxury fixtures. ​Smart Home Integration: Seamless installation of lighting, underfloor heating, and smart controls. ​Bespoke Craftsmanship: Expert handling of stone, marble, and high-spec tile work. ​Collaborative Approach: Working hand-in-hand with design and build teams. ​Discreet & Reliable Service: Maintaining clean, quiet, and respectful workmanship in occupied homes. ​Whether it’s a minimalist modern spa or a timeless classic retreat, KH&N Construction brings each vision to life with unmatched attention to detail and absolute pride in the final result.

Latest homeowner review

Reviewed by Phil on 8/7/2025

Brilliant service, arived on time and carried out the job in very quick time. Cleaned up after job compleet. Very happy to recomend.

Daniel Hasani

Cellar & Basement Conversion

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Hi I’m Dani New here but been for long on this trade I’m a builder and my main focus it’s the job to be done properly and client to be happy I try download some pictures in here to prove my work but that’s not enough even that I have thousands of pictures The only way to prove it’s you take the risk and trust me and I do my part and I promise you won’t be disappointed Thank you

BUILDER

Cellar & Basement Conversion

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I have been working in London since 2007, in those 16 years I have done plastering, wooden flooring, wooden fencing, ceilings and much more. I am new to Rated People, however I have the experience and can provide reference for previous work upon request.

Latest homeowner review

Reviewed by Francoise on 29/5/2025

Vasile replastered two ceilings in one day. He did an amazing job, and kept everything clean leaving the rooms spotless. Would definitely recommend. F.

JW Son Roofing

Cellar & Basement Conversion

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JW Son Roofing Raising the Standard in Roofing At JW Son Roofing, ltd we don’t just build roofs—we build confidence, security, and peace of mind. Your roof is your property’s first line of defence against the British weather. It protects everything beneath it, from your family and belongings to your business and investment. That’s why we believe every roof deserves expert craftsmanship, premium materials, and uncompromising attention to detail. Our reputation has been built on hard work, honesty, and consistently delivering outstanding results. Every project we undertake, whether it’s a small repair or a complete new roof installation, receives the same dedication to quality and customer satisfaction. When you choose JW Son Roofing, you’re choosing a roofing company that takes genuine pride in every tile laid, every ridge secured, and every customer served. Why Homeowners Trust JW Son Roofing Choosing the right roofing contractor can make all the difference. That’s why so many homeowners and businesses continue to recommend JW Son Roofing. We understand that investing in your roof is one of the most important decisions you’ll make for your property. That’s why we focus on delivering exceptional workmanship, transparent pricing, and outstanding customer care from the very first phone call. Our aim is simple: To provide roofing solutions that are built to last, competitively priced, professionally installed, and backed by a commitment to excellence. Complete Roofing Services Whatever your roofing requirements, JW Son Roofing has the knowledge, experience, and equipment to get the job done properly. We specialise in: • New Roof Installations • Complete Roof Replacements • Roof Repairs • Emergency Roof Repairs • Slate Roofing • Tiled Roofing • Flat Roofing Systems • Garage Roofs • Extension Roofs • Porch Roofs • Chimney Repairs • Chimney Repointing • Lead Flashing • Ridge Tile Repairs • Dry Ridge Systems • Dry Verge Systems • Fascias • Soffits • Guttering • Downpipes • Roof Cleaning • Moss Removal • Storm Damage Repairs • Roof Inspections No matter the size of the project, we approach every job with professionalism, precision, and pride. Built to Last Anyone can put tiles on a roof. Not everyone can build a roof that lasts for decades. At JW Son Roofing, we believe quality starts long before the first tile is fitted. It begins with careful planning, quality materials, skilled workmanship, signed John

Latest homeowner review

Reviewed by Richard on 4/9/2026

IMPRESS EUROPE LTD

Cellar & Basement Conversion

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Impress Europe Ltd is a full service construction company offering comprehensive solutions for residential, commercial and industrial projects. From design and planning to building and finishing, we handle everything - including new builds, extensions, loft conversions, renovations, landscaping and custom projects. Our team of skilled professionals are committed to delivering quality, safety and excellence in every job. We pride ourselves on reliability, clear communication and building long lasting relationships with our clients. Choose Impress Europe for all your construction needs - one company, every solution.

Crane Builders LTD

Cellar & Basement Conversion

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We are a family run Building Business with over 30 years experience. We specialise in the more complicated aspects of construction including structural and high finish work. We are recognized repairers of all types of P.R.C constructed buildings .

RIMI CONSTRUCTION LIMITED

Cellar & Basement Conversion

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Rimi construction limited ! Guaranteed hight quality job with the best prices .

Latest homeowner review

Reviewed by Deepak on 30/9/2022

Very happy with Rimi. He at all times came up with ideas and solutions. We had a rear garden job. Involved brick work, decking, retiling, soil work,painting, creating new landscape overall. He did it professionally and in time. He was patient with delays in material supply and kept following up. Overall quite pleased with the end result

Comforooms LTD

Cellar & Basement Conversion

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Hello everyone, I am a Civil Engineer with experience working with different companies in both France and the UK. I run my own company, COMFOROOMS LTD, where I specialise in building and groundwork. I have extensive experience in the construction industry. I am a serious and dedicated professional who takes pride in my work. I always respect my customers and do my best to ensure they are fully satisfied with every project. I am committed to delivering high-quality workmanship, always keeping the work clean and well organised. I also provide a guarantee on all jobs I undertake, so you can have full confidence in my service. I look forward to hearing from you. Thank you, H. Turki Director

Latest homeowner review

Reviewed by Andrew on 6/5/2026

Hass did a brilliant job from first meeting him to provide a quote to the end of the job. I really appreciated his honesty right at the start of the project with what was required to fix it and I trusted him completely. I was very pleased with the results of the bathroom and will definitely use him again in the future.

TYBIM

Cellar & Basement Conversion

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TYBIM is a well-established company which has built up a first-class reputation in the construction and property maintenance sector by successfully delivering high-quality services and projects. Our core values are quality and efficiency.

Latest homeowner review

Reviewed by Howard on 9/12/2018

(The work turned out to be considerably larger than originally thought). Everything about this company was excellent. There were no extra charged. I would recommend these people based on our experience with them.

prime development London ltd

Cellar & Basement Conversion

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Prime Development London is a reputable company with a strong focus on meeting the needs of clients in London and its surrounding regions. Providing high-quality and comprehensive construction solutions to meet a variety of needs. We stand out as a one-stop-shop for all aspects of construction, offering an extensive range of services to help our clients achieve their goals.

SEAN WILSON & SON

Cellar & Basement Conversion

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We are builders based in co derry , we travel from county to country to work for the right clients , building relationships and long term partners ... Throughout the uk and ireland .. We have vast knowledge in house building groundworks ,underpinning ,renovations ,extentions ,complete refurbs ,medium size sites with the right investors .. Profile is in the making .. pictures references will be in coming weeks as new to this

Five Stars Builders

Cellar & Basement Conversion

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We always operate under strong values aimed at exceeding client needs. Our communication channels are always open – our relationship with our clients begins on the first day of contact and only ends once they’re fully satisfied with our work. When you hire our services, you can count on us for the results you want and need. Get in touch today, and discover the advantage of our work.

Latest homeowner review

Reviewed by Luke on 12/10/2023

Excellent work, timely and clean. Arrange for us to have full use of the bath during the work. Very happy with the results. I will be asking for the guys to do more work for me in the future.

UNIQUE LOOK CONSTRUCTION LTD

Cellar & Basement Conversion

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Unique Look Construction The story of these company start in 2024 after almost 10 years of working form somebody else i decided to start my own business . We deliver a large range of services and able to take care of the whole project . Happy to help with any work like -new build -extension -loft conversion -general renovation -landscaping -gardening Contact with confidence to carry out your project

Trinity Services

Cellar & Basement Conversion

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Fast, friendly, and fully accredited, our professional Building Services are well renowned throughout the Buckinghamshire area. Our team is up for every job, managing contracts from inital architects drawings and liaising with building control, from foundations to roof and right up to final sign off, we have built our business on impeccable customer service, excellent work standards and a Christian ethos. We always stand behind our work, with customer satisfaction being our #1 priority. Contact us to learn more about what we do and how we can help you!

Latest homeowner review

Reviewed by Darren on 11/3/2024

I can't comment on the any work carried out but we had him booked in to attend, he did not turn up on the day and when I messaged him I had no reply, not very happy as I took time out of work.

Ionut Covaci

Cellar & Basement Conversion

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“Versatile and detail-orientated” are words that have been used to describe us! With over 9 years experience of delivering outstandingly presented rooms for residential and commercial clients. A knowledgeable professional with expertise in fulfilling decorative needs for contractual clients and working on-site to provide all maintenance needs for commercial locations. Adept at executing high standards of painting and decorating through applying exemplary wall coverings knowledge and ensuring all surfaces are perfectly smooth through effective plastering and filling. Most importantly, customer-focused and committed to delivering all aspects of the customer brief.